Breast-pump.



O. A. TATUM.

BREAST PUMP.

APPLICATION FILED APR. 5, 1910.

Patented June 30, 1914.

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CHARLES A. TATUM, OF NEW YORK, N. Y., ASSIG-N OR TO W'HITALL TATUM COMPANY,

UNITED snares PATENT OF NEW YORK, N. Y., A CORPORATION OF NEW JERSEY.

BREAST-PUMP.

Specification of Letters Patent. Patented June 30, 1914 Application filed April 5, i910. Serial No. 553,631.

secured by vulcanization or any other desired manner to the inside of the neck of the bulb and the receptacle (4 has a screw thread (Z formed on the inside and the rubber bulb f has a corresponding thread to fit into it.

concern.

I, CHARLES A. TATUM, a citizen of the United States, residing at New York city, in the county of New York and State of New York, have invented new and useful Improvements in Breast-Pumps, of

' following is a specification.

My invention relates to a new and improved form of breast pump consisting of a To all whom it may Be it known that improvement being ing the bulb to the glass receptacle.

In the accompanying drawings F lgure 1 is a sectional view of the receptacle and bulb with the bulb partially broken away. Fig. 2 is a sectional view taken on the line 00 w of Fig. 1 looking toward the bulb. Fig. 3 is a modification showing a portion of the neck of the receptacle and the bulb partly broken away. Fig. 4 is a sectional view of an alternate construction.

he device consists of a glass receptacle a. which may be of the form shown in the claim:

l. A breast pump comprising a glass receptacle provided with an inlet mouth and a tubular stem exteriorly rounded screw threads located opposite to the mouth; elastic bulb provided with a neck having internal rounded threads formed in the elastic for engagement with the threads formed on the stem of the receptacle, and a metallic detachable band encircling practically th 1 of the neck adapted to compress the rubber when the bulb is screwed on to the stem.

drawing or any desired form having a a. breast pump comprising a glass remouth or opening I). The neck of the glass ceptacle provided with an inlet mouth and a receptacle is shown opposite the mouth 6 and is indicated by c, or the mouth may be on the side of the receptacle if desired. The outside of the neck a is threaded as shown at (Z. The bulb f is made with a corresponding thread e. The rubber bulb f is secured to the receptacle by screwing the rubber bulb f on to the glass receptacle a and to make a perfectly tight closure and secure fastening, a rigid collar 9 preferably of metal, fits over the neck of the bulb f and renders a secure the same time allows the bulb to be easily removed for cleansing purposes.

In the alternate shown in Fig. 4 the tubular stem having exterior screw threads located opposite to the mouth, in combination with an elastic bulb provided with a neck having internal threads formed in the elastic f the threads stem of the receptacle,vand a metallic detachable band encircling the neck adapted to press the rubber when the bulb is screwed onto the stem.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

CHARLES A. TATUM. Witnesses H. V. BRUMLEY,

. WHITAKER,

form of construction Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0. 

